to find something by accident
偶然发现某物 (ǒurán fāxiàn mǒuwù)
"We stumbled upon a hidden waterfall in the forest."
"我们在森林中偶然发现了一座隐藏的瀑布。" (Wǒmen zài sēnlín zhōng ǒurán fāxiànle yī zuò yǐncáng de pùbù)
to examine items one by one to find something specific
to prepare systems or resources to handle something
to find an answer or solution by logical thinking
to actively join in conversations or debates
to begin taking on a leadership role or responsibility
to use one’s suffering as motivation for positive action
