decision/ dɪ'sɪʒən /

1.noun [c] 
(choice) 决定

The government has announced its decision.
政府已经宣布了决定。
2.noun [u] 
(act of choosing) 决心

The moment of decision can't be delayed.
下决心的时刻不能拖了。
3.noun [u] 
(decisiveness) 决断力

to make a decision
作出决定