铆足劲儿

to exert all one's strength

to fasten with rivets / (coll.) to exert one's strength

excessive

foot / to be sufficient / ample

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

stalwart / sturdy / strong / powerful

erhua variant of 勁|劲[jin4]

variant of 人[ren2] / "person" radical in Chinese characters (Kangxi radical 10), occurring in 兒, 兀, 兄 etc

child / son

non-syllabic diminutive suffix / retroflex final