to move up and down / to undulate / ups and downs

surname Fu

to lean over / to fall (go down) / to hide (in ambush) / to conceal oneself / to lie low / hottest days of summer / to submit / to concede defeat / to overcome / to subdue / volt

photovoltaic (e.g. cell)

to ambush / to lie in wait for / to lie low / ambush

to hide / to cover up / to conceal

danger lurks on every side (idiom)

three periods forming the hottest periods of summer, from mid-July to mid-August, namely: 初伏 (mid-July), 中伏 (late July to early August), 末伏 (mid-August)

kilovolt

Ambush from Ten Sides (pipa solo piece) / House of Flying Daggers (2004 movie by Zhang Yimou 張藝謀｜张艺谋)

first of three 10 day periods of hot season

to prepare an ambush / to waylay

hibernation / living in seclusion

last ten days of July and first ten days of August, the second of 三伏, three hottest periods of the year

to lie prostrate

electron volt (unit of energy used in particle physics, approximately 10^-19 Joules)

(of cereal crops) to collapse and lie flat

variant of 壓服｜压服

middle ten days of July, the first of 三伏 sān fú, three hottest periods of the year

one climax follows another (of thrilling story)

to subdue / to vanquish / to tame

to hide / to lie low

to crouch low and bend forward (esp. in hiding or in wait)

end of 三伏 (the hottest period of the year)

to lie in wait / to ambush / to conceal sth

to crouch / to lie prone

middle ten days of August, the last of 三伏 sān fú, three hottest periods of the year

thoughts surging in one's mind (idiom) / different thoughts coming to mind

same as 中伏, last ten days of July and first ten days of August, the second of 三伏, three hottest periods of the year

to obey / faithfully following instructions / to admit guilt

same as 三伏天, three periods forming the hottest periods of summer, from mid-July to mid-August, namely: 初伏 (mid-July), 中伏 (late July to early August), 末伏 (mid-August)

variant of 收服

up here, down there (idiom); to rise and fall in succession / no sooner one subsides, the next arises / repeating continuously / occurring again and again (of applause, fires, waves, protests, conflicts, uprisings etc)

giga electron volt GeV (unit of energy equal to 1.6 x 10-10 Joules)

mega electron volt MeV (unit of energy equal to 1.6 x 10-13 Joules)

tribe of the Xianbei 鮮卑｜鲜卑 nomadic people

to travel at night and lie low by day (idiom)

to curl up / to lie with knees drawn up / to huddle up

to overpower / to overwhelm / to subdue / to check / to control

to crouch (of animal)

to pacify / to calm / calm / quiet / to lie on one's belly

to crouch / to crawl / to creep