马里亚纳海沟

Mariana Trench (or Marianas Trench)

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

Mali

variant of 裡|里[li3]

lining / interior / inside / internal / also written 裏|里[li3]

li, ancient measure of length, approx. 500 m / neighborhood / ancient administrative unit of 25 families / (Tw) borough, administrative unit between the township 鎮|镇[zhen4] and neighborhood 鄰|邻[lin2] levels

Asia / Asian / Taiwan pr. [Ya3]

second / next to / inferior / sub- / Taiwan pr. [ya3]

surname Na

to receive / to accept / to enjoy / to bring into / to pay (tax etc) / nano- (one billionth) / to reinforce sole of shoes or stockings by close sewing

surname Hai

ocean / sea / CL:個|个[ge4],片[pian4] / great number of people or things / (dialect) numerous

marine trench

ditch / gutter / groove / gully / ravine / CL:道[dao4]