in a word

in a word
简言之，总之
In a word, he is tired with everything.
简言之，他对一切都感到厌倦了。
In a word, bicycles play an important role in daily life.
总之，自行车在日常生活中发挥着重要的作用。
In a word, she likes vegetables very much.
一句话，我喜欢蔬菜。
In a word, she is an honest girl.
总而言之,她是一名诚实的女孩.
In a word I don't trust you.
总而言之我还是不是很信任你。

详解：

in a word意思是“一句话”，表示总结的意思，后面跟一个句子，但是我们在表达的时候都习惯于只留下句子的定语，以强调我们要表达的意思。In a word,it is so expensive.=In a word, expensive.

in all<-->in common