The recall of Ambassador Alan Green is a public signal of America's concern.

艾伦·格林大使的召回是美国关注此事的公开信号。

The recall of the Ambassador was embarrassing for the country.

大使被召回使这个国家感到难堪。

Bases on these reasons, we could only come to the conclusion that they were out to make trouble. Therefore, we decided to recall our ambassador immediately by way of protest.

根据这些理由，我们只能得出他们在蓄意制造事端的结论，所以我们决定立即召回大使以示抗议。