Experience pain rather than show fear.

不惧怕痛苦，勇于体验痛苦。

Once you show fear, he will attack you.

你一旦显出害怕，他就会攻击你。

Similarly, for a female, the normal reaction is to show fear.

同样， 为女性， 正常反应将显示恐惧。

Four-months-olds, however, do generally show fear in response to unfamiliar stimuli.

不过，4个月大的婴儿在面对陌生刺激时通常表现出恐惧。