我们不得不忍受不知道下周是否还有工作的不安全感。

We have to live with the ___insecurity of not knowing if we'll still have a job next week.

我们许多人都经历过不安全的时刻，当一切显得如此庞大和新奇，以至于你怀疑自己是否能应对所有压力，或者最终是否能适应眼前的情况。

Many of us have experienced moments of ___insecurity when everything seems so big and new that you wonder if you can deal with all the pressure or whether you will eventually manage to adapt to the situation at hand.

她根深蒂固的不安全感常常阻碍她在职业环境中寻求领导职位。

Her deep-seated ___insecurity often hinders her from pursuing leadership roles in professional settings.