1. can’t take all the credit
take credit for something to allow people to believe that one has done something praiseworthy, whether or not one has actually done it.
2. Oh,Jim Moriarty sends his love.
send your loveto somebody also send somebody your love
to give a message of affection from you to someone else
3. Yes, he’s been in touch.
be in touch
to have regular communication with someone by telephone, letter etc. (usually + with )
保持联系，keep intouch (+ with somebody)是个很常使用词组
4. The dominatrix who brought a nation to its knees.
bring someone to (one’s) knees
Toreduce to a position of subservience or submission.
另外，“to drop to one’s knees”就是指某人双膝跪地。
5. You got carried away.
be/get carried away
to be overcome by one’s feelings. 使激动;使着迷
例句：She was/got carried away by the excitement.
例句： Floods can carry away trees,hillsides, cars and even houses.