"expression of sorrow," c. 1200, from Old French plainte "lament, lamentation" (12c.), from Latin planctus "lamentation, wailing, beating of the breast," from past participle stem of plangere "to lament, to strike" (see plague (n.)). Connecting notion probably is beating one's breast in grief.
权威例句
1. To him I will bring my plaint.
我会对他诉说.
2. But I would not sadden you by the mortal plaint.
但我不愿以生命必有终结的哀叹使你悲伤.
3. I often had this kind of plaint.
我经常发这样的感叹.
4. Work one year, did not make next money? This is many farmers plaint and doubt.
忙活一年, 没挣下钱? 这是不少农民的感叹和疑问.
5. Perhaps you should plaint what the high - tech technology of this world develops is really fast.