to study or investigate something deeply
深入研究或调查某事 (shēn rù yán jiū huò diào chá mǒu shì)
"You need to look into research materials before writing your paper."
"在写论文之前，你需要仔细研究研究材料。" (Zài xiě lùnwén zhīqián, nǐ xūyào zǐxì yánjiū yánjiū cáiliào.)
to actively join in conversations or debates
to persuade someone not to do something
to make efforts to achieve fairness and equal opportunities
to acknowledge achievements in front of others
to remove something unwanted from a situation or process
to spend time with someone socially
