这句话翻成英文怎么说？

the boss is out. maybe he is here in the afternoon.

老板不在，可能下午才来
Boss isn't here until aftenoon maybe.

Boss is not here,maybe he'll be here in the afternoon

Our boss isn't around,pherhaps he will show up in the aternoon.

The boss is not here and he is likely to come this afternoon.

The boss is not in and he will be there this afternoon.