unable
UK/ʌn'eibl/US
NGSL 2kB1
Definitions
adj.
Lacking the ability, skill, or means to do something
不能的，无法的，没有能力的
Root Breakdown
Root-derivedun- (not) + able = not able. The straightforward negative of able. Almost always followed by 'to + verb': unable to attend, unable to cope.
Root abil still carries 16 more wordsUsage Guide
- unable is almost always used predicatively with 'to + verb' (be unable to do); you rarely say 'an unable person.'
- Contrast with disabled (having a disability) — unable is about a specific inability, not a permanent condition.
Example Sentences
- 1.
I'm sorry, but I'm unable to attend the meeting.
- 2.
Many families are unable to afford rising rents.
- 3.
She was unable to explain what had happened.