一旦小孩跟父母開口要東西，如果沒能如願給他，一定就是沒完沒了的爭吵，直

一旦小孩跟父母開口要東西，如果沒能如願給他，一定就是沒完沒了的爭吵，直到一方妥協

結果 (英文) 1:

Once a child asks his parents for something, if he fails to give him what he wants, there must be endless quarrels until one party compromises

結果 (英文) 2:

Once the child and his parents open their mouths to ask for something, if not as desired to give him, there must be endless quarrels until one side compromises

結果 (英文) 3:

Once a child asks for something from his parents, if he fails to give it to him as he wishes, it must be endless arguments until one side compromises