Bié huīxīn, xiāngxìn zìjǐ zǒng yǒu shíláiyùnzhuǎn de nà yī tiān.
Don't be discouraged — believe that your lucky day will come.
Tips
memory
时 (time) + 来 (comes) + 运 (fortune) + 转 (turns) — "when the time comes, fortune turns." It is an optimistic phrase used to encourage someone going through a rough patch.