a small but essential part of a large system
大型系统中的一个小而重要的部分 (dàxíng xìtǒng zhōng de yīgè xiǎo ér zhòngyào de bùfen)
"Every engineer is a cog in the machine that keeps the factory running."
"每个工程师都是机器中的一颗齿轮，帮助工厂运转。" (Měi gè gōngchéngshī dōu shì **jīqì zhōng de yī kē chǐlún**, bāngzhù gōngchǎng yùnzhuǎn.)
a situation in which virtue is rewarded and vice is punished...
to accept or take responsibility for something
Being too inquisitive can lead to trouble.
to introduce an idea subtly to influence someone later
a little stupid or crazy
to reassure someone that they can handle a situation
