他像慣常那樣準時到達英文怎麼說？

He arrived with his customary promptness.

習慣上大家都握手迎接客人英文怎麼說？

It is customary to welcome a visitor with a shake.

通常辭職要在兩週前遞交辭職書英文怎麼說？

It is customary to turn in one's resignation two weeks before one's last day.

給侍者小費是一種習俗英文怎麼說？

It is customary to tip the waiter.

記者席經常放著的大寫字臺被搬走了英文怎麼說？

The press gallery has been voided of the customary bulky desks.