To try something despite uncertainty.
尽管存在不确定性,但尝试某事。 (Jǐnguǎn cúnzài bù quèdìngxìng, dàn chángshì mǒu shì.)
"He decided to take his chances and apply for the international scholarship."
"他决定尝试一下,申请国际奖学金。" (Tā juédìng **chángshì yīxià**, shēnqǐng guójì jiǎngxuéjīn.)