The natural instinct for a mother is to rush to the aid of their child every time they cry.

自然本能的母亲是急于借助他们的孩子每一次的哭。

youdao

I have held them in my open hand at such a time, and still their only care, obedient to their mother and their instinct, was to squat there without fear or trembling.

有一次我偶然把它们放在我摊开的手掌中，因为它们从来只服从它们的母亲与自己的本能，一点也不觉得恐惧，也不打抖，它们只是照旧蹲着。

youdao

Oh I knew there'd be no problem with the mother thanks to the maternal instinct but…

我知道，由于母性的本能，母亲毫无问题，但是。

youdao

She came from the Gladys Porter Zoo in Brownsville, Texas, where she was born Jan. 29 to a first-time mother who showed little maternal instinct.

NPR: Grunting Ohio Zoo Workers Act As Moms To Gorilla

This can destabilize the marriage: When his mother and his wife are battling, a man's self-preservation instinct tells him to hide.

WSJ: Getting Along With the Original Other Woman��Your Mother-in-Law

It is a vivid and, at times, moving story of one woman's lonely and dogged fight against the painfully limited expectations of her own gender embodied by her own mother, the unquestioning prejudice of most men of her age and the suffocating instinct to patronise of those who have inherited their positions rather than earned them.

BBC: The Iron Lady