complacency, go by sth (BASE)

"Of all the things a leader should fear, complacency heads the list."


If history is anything to. go by, the coming century should be. full of exciting surprises.

go by sth (BASE) phrasal verb
to base an opinion, decision or judgment on something:
What do you go by when you're deciding whether or not to employ someone?
Going by what she said yesterday, I would say she's about to resign.
If past experience is anything to go by, he'll completely ignore our suggestions and then change his mind at the last minute.
complacency Show phonetics
noun [U] (ALSO complacence) DISAPPROVING
a feeling of calm satisfaction with your own abilities or situation that prevents you from trying harder:
What annoys me about these girls is their complacency - they seem to have no desire to expand their horizons.
There's no room for complacency if we want to stay in this competition!

complacent Show phonetics
adjective DISAPPROVING
feeling so satisfied with your own abilities or situation that you feel you do not need to try any harder:
a complacent smile/attitude
We can't afford to become complacent about any of our products.

complacently Show phonetics
adverb DISAPPROVING

com・pla・cent

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━━ a. 自己満足の, 得意の, いい気な.
com・pla・cence, com・pla・cen・cy　━━ n.
com・pla・cent・ly　━━ ad.