to be in constant conflict or fighting
处于持续冲突或打斗中 (chǔyú chíxù chōngtú huò dǎdòu zhōng)
"The two brothers were at each other’s throats all day."
"那两个兄弟整天都在互相争斗。" (nà liǎng gè xiōngdì zhěng tiān dōu zài hùxiāng zhēngdòu.)
To amaze or impress someone greatly.
to find out the real cause or truth behind something
the use of willpower to overcome physical problems
To motivate someone to take action or work harder.
to change from one system or option to another
Strong people keep working hard even in difficulties.