1. May I take a message?
您要留言吗？
还能这样说：
Shall I take a message?
Could I take a message?
应用解析：
get the message 明白，领会；
go on a message(s) 出外为人办事；出差；
go messages for sb. 为某人送信或跑腿；
send sb. on a message 派……出去报信
2. This is Jon Smith calling. Please call me as soon as possible.
我是乔恩·史恩斯，请尽快给我回电话。
还能这样说：
This is Jon Smith. Please call me back as soon as possible.
This is Jon Smith. Please recall me as quickly as you can.
3. Could you please take a message for me?
你能帮我带个话吗？
还能这样说：
Could you help me take a message?
Can you give her a message for me?
应用解析：
take photographs 拍照；
take one's time 不急于，慢慢来；浪费时间；
take a lot of doing 费事；需要努力
4. I'd like to leave a message for her. Can you help me?
我想留言给她，你能帮我吗？
还能这样说：
I want to leave a message for her. Will you do me a favor?
Could you help me to leave a message for her?
应用解析：
leave sth. aside 不考虑某事物；忽视；
leave sth. off 不再穿；
leave the door open 门仍开着；
leave sb. in the lurch 弃某人于困境