Please do help me

千万───must;帮帮───Help

The realisation that the murderer must have been a close friend came as a shock.───意识到杀人凶手一定是个密友,大家都很震惊.

We must not rush into anything without careful planning.───任何事情我们没有经过仔细筹划就不可贸然行事.

The scenery for the play must have cost too much.───那出戏的舞台布景一定很费钱.

You must settle the matter amongst yourselves.───你们必须彼此商量,自行解决这些问题.

From the reports of guns we knew that hunters must be nearby.───听枪声我们知道猎人必定在附近.

I must ask you to tone down your remarks; they are giving offence to some of our visitors.───我们必须要求你说话语气和缓一些, 因为你的话得罪了一些客人.

I must think over this, I have known for years that it was in the cards.───我得仔细考虑考虑,许多年来, 我就知道这是可能的.

A dancer must throw herself heart and soul into every performance.───舞蹈演员对每一场演出都必须尽心尽力.

There must be an error in our calculations.

If you want knwledge, you must toil for it.

We must make massive efforts to improve it.