to confront someone or something bravely in defense of someone
勇敢地面对某人或某事，以捍卫某人 (yǒnggǎn de miànduì mǒu rén huò mǒu shì, yǐ hànwèi mǒu rén)
"He stood up to the bully to protect his little brother."
"他站立起来对抗那个恶霸，以保护他的小弟弟。" (Tā zhànlì qǐlái duìkàng nàgè èbà, yǐ bǎohù tā de xiǎo dìdì.)
to offer to help or take part in something
to feel deeply thankful or appreciative
to prepare your body for exercise by doing light activity
to do work in advance before it is due
to divide work among people in a group
to join a meeting or call by phone or online system
