usually used in the negative, referring to a situation or feeling that is abnormal, wrong, or suspicious.

to increase the intensity of one's efforts or work with sudden vigor to complete a task

energetic drive, boldness, or a rash kind of spirit or momentum

to slacken one's efforts, ease up, or lose momentum in a task or goal.

firmness of determination

to put effort into something or try really hard

to recover from exhaustion, shock, or a difficult situation; to regain one's breath or energy

to apply all one's strength in a burst of effort

to exert all one's strength; the '[[儿|兒|er5]]' suffix adds a conversational, informal tone to the action of exerting physical force.

to exert all one's strength

to exert oneself or put forth physical or mental strength to achieve a goal