2 sentences for 致谢 (zhì​xiè — thank)

1. 他向所有到场嘉宾致辞并致谢。

   tā xiàng suǒ​yǒu dào​chǎng jiā​bīn zhì​cí bìng zhì​xiè.

   He gave a speech and thanked all the guests present.

   Source: Dong Chinese Dictionary

2. 表演结束后，演员们向观众集体鞠躬致谢。

   biǎo​yǎn jié​shù hòu, yǎn​yuán men xiàng guān​zhòng jí​tǐ jū​gōng zhì​xiè.

   After the performance, the actors bowed together to thank the audience.

   Source: Dong Chinese Dictionary