Be warn, once you get start, you won't stop it.

注意，一旦你开始，就停不下了。

You may want to hire a coach or trainer to help you get start slowly.

你可能会想雇个教练或者训练师来帮你慢慢开始。

Most students know nothing except the textbook, which makes them feel hard to get start.

大部分学生除了课本什么都不懂，这让他们很难上手。