null
如果，倘若，倘若情况是这样，倘若事实如此
1. if, in case, if it is the case that, if it is true that
auxiliary
null
至于，关于
2. as for, on the topic of
auxiliary
null
如果情况如此，那么，既然如此
3. if that's the case, if so, that being the case
conjunction
colloquial
abbreviation
null
如果可能的话，如果情况允许的话
4. if possible, if circumstances allow
conjunction
