interpret for sb给……当翻译(多指现场口译、包括交替传译和同声传译。); 解释，说明；口译；翻译
经典例句学习：
She couldn't speak much English so her children had to interpret for her.
她讲不了几句英语，所以她的孩子们得给她翻译。
He only spoke German so someone had to interpret for him.
他只会说德语，所以得有人给他翻译。
Would you like me to interpret for you?
要不要我来帮你翻译？
Will you please interpret for me?
请你为我翻译一下好吗？
The girl interpreted for the old Japanese very well.
女孩为这位日本老人当了很好的翻译。
Paul had to interpret for us.
保罗不得不为我们做口译。
He'll need somebody to interpret for him.
他将需要有人给他做翻译。
The courier knows Greek, so he will interpret for us.
导游懂希腊语，他可以为我们翻译。
I speak Spanish. Would you like me to interpret for you?
我会说西班牙语。你想要我为你翻译吗?
I couldn't speak Italian so I asked Maria to interpret for me in the shop.
我不会说意大利语，所以在商店里我请玛丽亚给我翻译。
She interpreted at the international conference.
她在那次国际会议上担任口译。
If I had learned Korean I would be able to interpret for our Korean friends.
要是我以前学过韩语的话，那我现在就能给我们的韩国朋友们当作翻译了。
If I had learned French I would be able to interpret for our French friends.
要是我以前学过法语的话，那我现在就能给我们的法国朋友们当作翻译了。
《英语常见问题解答大词典》赵振才（增订版第五版）P318.
其实这个句子表示错综时间条件句里的从句表示与过去的事实相反，主句表示与现在的事实相反的一种情况时虚拟语气用法。
标准的翻译为：
translate sth into English将...译成英文
He translated the letter into English.
他把这封信译成了英文。
Can you translate this passage into German?
你能把这一段文字译成德语吗？
I don't speak Greek so Dina offered to translate for me.
我不懂希腊语，于是迪娜主动给我翻译。