下死劲

to do one's utmost

down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action

to die / impassable / uncrossable / inflexible / rigid / extremely / damned

all one's strength / with might and main

strength / energy / enthusiasm / spirit / mood / expression / interest / CL:把[ba3] / Taiwan pr. [jing4]

stalwart / sturdy / strong / powerful