13. She handed in her resignation.
她提交了辞呈。
还能这样说：
She proffered her resignation.
She submitted her resignation.
应用解析：
at first hand 来自直接的体验；
at hand 近处，即将到来；
bring up by hand 亲手喂养；
get one's hand in 使技能保持熟练；
get the upper hand 占上风

14. Do you have some complaints with our company?
对公司不满吗？
还能这样说：
Are you dissatisfied with our company?
Are you discontent with our company?

15. Have you heard of her intention to resign?
你听到她打算辞职的传闻了吗？
还能这样说：
Do you know that she intends to resign?
Have you got any idea about her resignation?
应用解析：
resign from sth. 辞去某职务；
resign oneself to doing sth. 听任，顺从；
be resigned to doing sth. 准备忍受或容忍某事物，心甘情愿

16. We haven't yet received his resignation.
我们尚未收到他的辞呈。
还能这样说：
We haven't received the resignation from him.
His resignation doesn't get to us yet.
应用解析：
be on the receiving end of sb. 承受不愉快的人；
receive sb. with sth. 以某方式对某人做出反应；
receive sb. into sth. 接待某人；接纳或承认某人

17. There were calls for her resignation from the board of directors.
有人要求她辞去董事会中的职务。
还能这样说：
Someone asked her to resign from the board of directors.
She was forced to leave from the board of directors.
应用解析：
give sb. a call 给某人打电话；
on call 随时待命的，待用的，准备妥善的；
call forth 唤起，引起，振作起；
at one's beck and call 听命于某人