Eng: Again and again

沓

Again and again, Connected, Joined, Many, Repeated, Repeatedly

反覆

Again and again, Carefully, Iterative, Not dependable, Relapse, Repeat, Repeated, Repeatedly

一次又一次

Again and again, Repeatedly

A, At a, First, Once, One, One at, Single, Another, Yet, Again

一次次的

Again and again, Constant

A, At a, First, Once, One, One at, Single

再三

Again and again, Repeatedly