Troubleproof
a. 不生故障的, 无故障的
🗣️ 情景例句
My parents will think it's a good idea.
我的父母会觉得这是件好事。
Now that you are pretty well again, you should work harder.
你的身体既然已经完全康复，你就应该更加努力工作。
My employer will confirm that I was there on time.'
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