when

1.什么时候；何时；什么情况下；什么场合下at what time; on what occasion

2.（用于时间的表达方式之后）在那时，其时used after an expression of time to mean ‘at which’ or ‘on which’

3.其时；当时；当场at which time; on which occasion

1.什么时候；何时what/which time

1.在…时候；当…时；在…期间at or during the time that

2.在…之后after

3.在任何…时候at any time that; whenever

4.一…就；刚…就just after which

5.考虑到；既然considering that

6.虽然；然而；可是although

1.什么时候,几时

2.当...的时候

3.从前境况差时

1.如果

2.既然

3.可是,却

4.然后

5.当...的时候

6.(刚)...就...

1.什么时候

2.那时

1.时候,时间,日期,场合

1.used for asking at what time something happens; used for asking in what kind of situation something happens; used when someone knows or says at what time something happens, or in what situation it happens

2.as soon as another action or event has finished; at the same time as something else; at a point during the time that something else is happening

3.used for talking about a particular time or situation

4.used for introducing a situation that makes someone’s action or behavior seem surprising

5.used for making a general statement about something that is always true or correct