illicit,illuminate,immerse,imminent,immunity

illicit 非法的；違禁的

Organized crime is deeply involved in the illicit reselling of concert tickets.

illuminate 闡明；啟發；照亮

illumination
illuminant

He usually illuminates his point by offering analogies(類推) and examples.

immerse 埋首於；沉浸於

I immersed myself in the project for weeks without taking a day off.

imminent 即將發生的；逼近的

imminence;imminency 迫切之事

This much overwork is likely to lead to imminent health problems.

immunity 豁免權；免疫

The witness was quaranteed immunity from prosecution.