take chances

Those orphanized children were left to take their chances in the world.

那些失去父母的孤儿只好任其在社会灭。

You are valuable to the organization, you mustn't take chances.

组织你很器重, 你以轻心。

He liked blueeyed women especially active ones, and after 17 years a bachelor, he was willing to take a chance on love.

做了十七年的单身汉以后，他愿为爱情冒险。