have a tinker at

• 笨拙地修理

have a tinker at的用法和样例：

例句

1. John is repairing his model plane at his leisure.
   约翰不慌不忙地修理着他的航模。
2. He was angry at having to fork over so much money for such simple repairs.
   他很生气，这么简单地修理一下就要花那么多钱。