度假能用carry on吗。

go on a vacation/holiday

度假=have a holiday

carry on a plan

可以 但是不常见
一般用spend one's holiday make holiday
take a holiday

度假应该说go on a holiday或vacation,这是固定搭配来的
不能说carry on

Being on vacation

carry on
v.
继续开展, 坚持, 举止失常

不能。意思不搭配，用on就好