Boast: to talk with too much pride about sth that you have or can do 自夸；自吹自擂
I don't want to boast, but I can actually speak six languages.
我并不想吹噓，但我確實能講六種語言。
She is always boasting about how wonderful her children are.
她總是夸耀她的孩子們多么出色。
He openly boasted of his skill as a burglar.
他公然炫耀他的盜竊手法。
Sam boasted that he could beat anyone at poker.
薩姆吹噓說打撲克牌誰都贏不了他。

Flaw
1. a mistake in sth that means that it is not correct or does not work correctly 錯誤；缺點
The argument is full of fundamental flaws. 這段論述充滿根本性的錯誤。
The report reveals fatal flaws in security at the airport. 報告揭示了機場安全的致命缺陷。
2. a crack or fault in sth that makes it less attractive or valuable 裂痕；裂隙；瑕疵
The vase is in excellent condition except for a few small flaws in its base.
花瓶完好無缺，只是底部有幾處瑕疵。
3. a weakness in sb's character （品格上的）弱點，缺點
There is always a flaw in the character of a tragic hero.
悲劇主角總有性格上的缺點。

Cherish: to love sb/sth very much and want to protect them or it 珍愛；鐘愛；愛護
Children need to be cherished.
兒童需要無微不至的愛護。
her most cherished possession
她最珍愛的物品

1. Rip: to tear sth or to become torn, often suddenly or violently （突然或猛烈地）撕破，裂開
I ripped my jeans on the fence.
我的牛仔褲在柵欄上掛破了。
The flags had been ripped in two.
旗幟都被撕成了兩半。
She ripped the letter open.
她撕開那封信。
I heard the tent rip.
我聽到了帳篷撕裂的聲音。