这是一个尝试新方法的阶段。

Zhè shì yīgè chángshì xīn fāngfǎ de jiēduàn.

This is a stage of trying out new methods.

面对困难，他毫不犹豫尝试。

Miànduì kùnnán, tā háo bù yóuyù chángshì.

Faced with difficulties, he hesitated not to try.

这是一个尝试新技术的项目。

Zhè shì yīgè chángshì xīn jìshù de xiàngmù.

This is a project to try out new technologies.