四级词汇

Not direct; roundabout; involving intermediate steps

间接的，迂回的

A person's mood or tendency to anger; to moderate or harden metal by heat treatment

脾气，性情；缓和；给金属回火

Flowers on a fruit tree; to bloom or flourish

（果树的）花；开花，蓬勃发展

A vehicle designed to travel in outer space

航天器，宇宙飞船

A device to urge a horse forward; something that motivates action

马刺；刺激，激励

To make a shrill sound by blowing air; a device that makes such a sound

吹口哨；口哨，哨子

Not enjoyable; causing discomfort or displeasure

令人不愉快的，使人厌恶的

To join fabric using a needle and thread

缝纫；缝合

Covered with mud; cloudy; to make dirty or unclear

泥泞的；浑浊的；使污浊

Power or advantage used to achieve a goal; to exploit something for maximum benefit

杠杆作用，影响力；充分利用

Tending to adhere to surfaces; awkward or difficult; a pinned forum post

黏的；棘手的；置顶帖

Eager and enthusiastic; sharp; intense

热切的，渴望的；锋利的；强烈的

Of or relating to mathematics; extremely precise

数学的；精确的

Existing only in the mind; not real

想象中的，虚构的

To direct or adjust toward a goal or direction; the east

使朝向，使适应；东方

To stick to a surface; to follow or remain committed to something

黏附，附着；坚持，遵守

A vertical post supporting a structure; a key source of support

柱子；支柱，栋梁

Feeling anxious or uncomfortable; not at ease

不安的，忐忑的，不自在的

A horse-drawn passenger vehicle; a railway car; one's posture or bearing

马车；火车客车厢；仪态，举止

A cunning wild animal with reddish fur and a bushy tail; to trick or outwit someone

狐狸；欺骗，耍弄

A person who carries or delivers messages

信使，送信人，使者

A hard paved road surface; a paved pedestrian path

路面；人行道

Slightly wet or damp

潮湿的，微湿的

To delay something to a later time

推迟，延期

A farm vehicle for pulling equipment; a truck cab for pulling trailers

拖拉机；牵引车头

Unable to act or defend oneself; powerless

无助的，无能为力的

The speed of something in a given direction

速度，速率

Making or full of loud, unpleasant sounds

嘈杂的，喧闹的

To speak rudely to someone; a rude or offensive remark

侮辱；无礼的言行

Happening naturally or on impulse, without planning

自发的，即兴的

Thin and graceful; small in amount

苗条的，纤细的；微薄的

To produce flowers; to flourish; a flower or state of flowering

开花；繁盛；花朵，开花期

A piece of jewelry worn around the neck

项链，项圈

A small hotel or pub offering lodging and food for travellers

小旅馆，客栈

A fragrant liquid or pleasant scent; to apply scent to something

香水；香气；洒香水于

A senior military officer ranking above lieutenant colonel

上校

A group of birds or animals; to gather in large numbers

群；成群聚集

To purify a substance; to improve or perfect something

精炼，提纯；改进，完善

An elongated round shape like an egg; having such a shape

椭圆形；椭圆形的

A small narrow boat pointed at both ends; to paddle such a boat

独木舟；乘独木舟

A long journey especially by sea; to travel on such a journey

航行；长途旅行

Moving very quickly; rapid; a fast-flying bird

迅速的，快速的；雨燕

To reverse an action; to unfasten; to ruin

撤销，取消；解开；毁掉

To frighten or threaten someone into doing something

恐吓；威胁

A son of one's child

孙子；外孙

Delicate patterned fabric; a fastening cord; to tie with laces

花边，蕾丝；鞋带；系带子

A torn piece of cloth; tattered clothing (n.); to tease or scold (v.)

破布；抹布；破旧衣服；嘲弄

Not affected or harmed by something; opposing or withstanding something

抵抗的，有抵抗力的；耐…的