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