I'm having treatment for my back problem.

　　我正接受背部疾患的治療。

　　Few people can count on having a job for life.

　　幾乎沒有人能指望一輩子都干一個(gè)工作。

　　There was music and dancing till two in the morning.

　　音樂和舞蹈一直持續(xù)到凌晨兩點(diǎn)。

　　He'll be out there, dancing with the best of them.

　　他將出現(xiàn)在舞池中，跳得不亞于任何人。