contend /k?n?tend/ ?
vi. 競爭；奮鬥；鬥爭；爭論
vt. 主張；為...鬥爭
英文解釋：to compete in order to win something。
例句：There are three world-class tennis players contending for this title.
contest /?k?n.test/
vt. 爭辯；質疑
vi. 競爭；爭辯
n. 競賽；爭奪；爭論
英文解釋：a competition to do better than other people, usually in whichprizes are given.
例句：She's won a lot of beauty contests.
註意:
Contend是妳認為壹些東西是對的，而contest是妳認為壹些東西是錯的。因此，contend被翻譯成"主張，奮鬥"；而contest應該被翻譯成"質疑"。這就是二者最大的區別。
希望可以幫到妳，謝謝！