| 不知进退 |
bù zhī jìn tuì |
not knowing when to come or leave (idiom); with no sense of propriety |
| 不 |
bù |
no; not so / (bound form) not; un- |
| 不知 |
bù zhī |
not to know / unaware / unknowingly / fig. not to admit (defeat, hardships, tiredness etc) |
| 知 |
zhī |
to know / to be aware |
| 进 |
jìn |
to go forward / to advance / to go in / to enter / to put in / to submit / to take in / to admit / (math.) base of a number system / classifier for sections in a building or residential compound |
| 进退 |
jìn tuì |
to advance or retreat / knowing when to come and when to leave / a sense of propriety |
| 退 |
tuì |
to retreat; to withdraw / to reject; to return (sth) / to decline |