俳句之神芭蕉桑
下定决心做某事be resolved to do sth make up one‘s mind to do sthdecide to do sthset one’s mind to do sth或者set one’s mind on doing sthbe determined to do sth 亲~希望能帮助你

Leven小万
determination决心, 判定, 意志, 毅力, 果断,resolution 决议, 决议案, 决心, 决断determined决心, 坚决, 有决心resolute 坚决, 决心果断的 firm坚定, 坚决, 牢固, 坚固, 稳固, 决心 make up one's mind决定, 决心, 立意, 拿主意
A+黎明前的黑暗
我觉得加上‘世界上’顺口一些吧:How many kinds of resolution are there in the world?这个世界上有多少种决心?resolution 做决心,决定可数,做决断力,解决不可数。这里我觉得用how many比较恰当。
Xzylongfeng
determinationn.1.坚定;果断,决断力[U]Myfatherwasamanofdetermination.我父亲是一个果断的人。2.决心[U][S1][+to-v]Shehasthedeterminationtoovercomealltheobstaclestosuccess.她有决心克服通往成功路上的一切障碍。3.确定;测定[U][(+of)]Sheisresponsibleforthedeterminationofwagelevelswithinthiscompany.她负责确定该公司内部的工资水平。