He wasn't well, so we had to leave him behind.
他身体不适，因此我们只好把他留下。
I don't want to leave anything behind
我不想留下任何东西。
Please call for me when you go; don't leave me behind.
你去的时候叫我一声，可别把我闪下。
Take care not to leave anything behind.
当心别丢下东西。
Just think; tomorrow we shall walk out of this place and leave it all behind us forever
你想想看，明天我们就要走出这个地方，再也不回来了。