[mǎ shàng]
（立刻） at once; immediately; straight away; right away; at the drop of a [the] hat
leaped at the chance
马上抓住机会
She told him to leave the room at once.
她要他马上离开房间。
I got in touch with him immediately after I received the letter.
我接信后马上和他联系。
I'll telephone him straight away.
我马上就打电话给他。
I love to travel, I'm ready to go at the drop of a hat.
我喜欢旅游， 我准备马上就去。
Are you leaving right away?
你马上就走吗?
She'll come in a moment [crack].
她马上就来。