[ balk ]的第三人称单数
He shored up the wall with a thick balk of wood. 他用一根粗大的木头把墙撑住。
His parents balk at the cost of the guitar he want. 他想要那个吉他,但他父母看到吉他的价格却踌躇不决。
They braced up the old house with balks of timber. 他们用梁木加固旧房子。
They braced up the old house with balks of timber . 他们用梁木加固旧房子。