Your previous struggles were in vain.
你过去的挣扎最终都是徒劳的。
该句使用一般过去时和固定表达in vain,简洁传达过去行为无效的含义。
"Overthinking only adds to the trouble; it is better to let it go."
"Those who know how to let go find freedom"
"Learn to let go, so you can start anew."
"When you cling to something, you may only ever possess that one thing; if you let go, you open the door to other possibilities."
"Troubles arise every day, but if we do not dwell on them, they will vanish."