他虽然紧张，但还是勇敢地站上台演唱。

Tā suīrán jǐnzhāng, dàn háishi yǒnggǎn de zhàn shàngtái yǎnchàng.

Although he was nervous, he still bravely went on stage to sing.

他们正在为周末的演唱会练习。

Tāmen zhèngzài wèi zhōumò de yǎnchànghuì liànxí.

They are practicing for the weekend concert.

今晚有一个演唱比赛，你要不要去看看？

Jīnwǎn yǒu yí ge yǎnchàng bǐsài, nǐ yào bu yào qù kànkan?

There is a singing contest tonight; do you want to go and watch?