美国的同事改变了我的想法。

Měiguó de tóngshì gǎibiàn le wǒde xiǎngfǎ.

My American coworkers changed my opinion.

面对改变不了的事实，你只好接受。

Miànduì gǎibiàn bùliǎo de shìshí, nǐ zhǐhǎo jiēshòu.

When facing something that can't be changed, you can only accept it.

长大以后，我的心态也改变了。

Zhǎngdà yǐhòu, wǒde xīntài yě gǎibiàn le.

After I grew up, my way of thinking changed.