加足马力

to go at full throttle / (fig.) to go all out / to kick into high gear

to add / plus / (used after an adverb such as 不, 大, 稍 etc, and before a disyllabic verb, to indicate that the action of the verb is applied to sth or sb previously mentioned) / to apply (restrictions etc) to (sb) / to give (support, consideration etc) to (sth) / Canada (abbr. for 加拿大[Jia1 na2 da4]) / surname Jia

excessive

foot / to be sufficient / ample

surname Ma / abbr. for Malaysia 馬來西亞|马来西亚[Ma3 lai2 xi1 ya4]

horse / CL:匹[pi3] / horse or cavalry piece in Chinese chess / knight in Western chess

horsepower

power / force / strength / ability / strenuously