実力を試すを英語でなんと言うか？

put something/someone to the testは人を試す時にも物を試す時にも使えます。0:43 Sometimes life can make you crazy. so it can really put your body to the test. 時おり、人は人生に振り回されるが、それは真価を問われることでもある。
http://www.youtube.com/watch?v=KM8HEBXvwfM 0:19 live on the Conan show, Alex Brenner put his body to the test. コナン・オブライエン・ショーでアレックス・ブレナーさんが自らの体を実験台にしました。
http://www.youtube.com/watch?v=Lnm2hKJYIiw 25:00 this is where the Eric's Cargo Planning is really put to the test. ここがEric's Cargo Planningの腕の見せ所だ。
http://www.youtube.com/watch?v=ekuLf5zb06E 2:40 he needs to put his dexterity to the test.
http://www.youtube.com/watch?v=HyTnyz4WwOk  0:35 putting Russian security measures to their harshest test yet.

練習問題解答
a-4778 put to the taste test
a-5771 put to the honesty test
a-6853 putting them to the test
a-7658 put it to the test
b-0651 put to the test