青少年容易反叛。

Qīngshàonián róngyì fǎnpàn.

Teenagers are prone to rebellion.

青少年时期是个关键的成长阶段。

Qīngshàonián shíqī shì gè guānjiàn de chéngzhǎng jiēduàn.

Adolescence is a crucial stage of growth.

青少年应该树立正确的价值观。

Qīngshàonián yīnggāi shùlì zhèngquè de jiàzhíguān.

Teenagers should establish the right values.