intimidation
词根词缀：
intimidate v. 恐吓
in 使… + timid 害怕 + ate 使… → 使害怕 → 恐吓
intimidation n. 恐吓
in 使… + timid 害怕 + ation，intimidate 的名词 → 恐吓
timid adj. 胆怯的
tim 害怕 + id …的 → 胆怯的
timidity n. 胆怯
timid 害怕 + ity 具备某种性质，状况 → 胆怯
timorous adj. 胆小的
tim 害怕 + or 嘴；说 + ous …的 → 胆小的
数据来源：新东方英语词汇速记大全
相关例句：
The witness was kept from testifying by intimidation.
证人受到威吓，未能作证。
Invulnerable to fear or intimidation.
对恐怖或者胁迫无所畏惧。
And when they face violence and intimidation, we must condemn it and remind the perpetrators that their crimes will not be forgotten.
当他们面临暴力和恐吓时，我们必须予以谴责，并提醒施暴者我们不会忘记他们的罪行。
Faith is something that cannot be won through intimidation and fear.
信仰是不能以威胁和恐惧为手段的。
Specifically, the self-promotion and intimidation strategies were positively related to anxiety and insomnia;
自我推销和威胁策略与焦虑失眠呈正相关；
Observers and opposition parties have complained of fraud and-particularly in the South-of intimidation.
观察员和反对党抱怨本次选举有欺诈，特别是南部地区&恐吓。