Question

翻译，中译英，不要在线翻译，要人工的！

他想找经理接电话，可是经理不在，他只得留言（speak on the phone）
除非你很诚实，否则没有人愿意关心你（take care of）
他不敢在河里游泳，因为这条河太深（dare）
让我来帮你修电脑好吗（let）

Answer 1

1.他想找经理接电话，可是经理不在，他只得留言（speak on the phone）
He wanted to ask the manager to answer the phone, but he had to speak on the phone because the manager was out, .
2.除非你很诚实，否则没有人愿意关心你（take care of）
No one would like to care about you unless you are honest. “care about”比较好，因为take care of比较倾向于“照顾”。
3.他不敢在河里游泳，因为这条河太深（dare）
He didn't dare to swim in the river, for it is too deep.
4.让我来帮你修电脑好吗（let）
Let me help you repair the computer.

Answer 2

He wanted to speak to the manager on the phone. However, the manager was not around. He could only leave a voice message.
Unless you are being very honest, no one would want to take care of you.
He didn't dare to swim in the river for/because it was too deep.
Would you let me repair/fix your computer?

Answer 3

He wanted to speak to the manager on the phone. But the manager is out. He had to leave a message.
Unless you are honest, nobody will take care of you.
He dare not swim in the river, because it is too deep.
Let me repair your computer, will you?