礼仪不应过于拘束。

Lǐyí bù yīng guòyú jūshù.

Etiquette should not be overly restrictive.

这种场合不需要太拘束。

Zhè zhǒng chǎng hé bù xūyào tài jūshù.

There is no need to be too formal in this situation.

不要因为礼仪而感到拘束。

Bùyào yīnwèi lǐyí ér gǎndào jūshù.

Don't feel restrained because of etiquette.