it is_____ to wear so many clothes on such a hot day.(need) 將need詞性轉換，劃橫線處。

1. It is unnecessary to go into details.

毋庸贅述。

來自《現代漢英綜合大詞典》

2. As we are old friends, it is totally unnecessary to stand on ceremony.

都是老朋友，大可不必如此客氣。

來自《現代漢英綜合大詞典》

希望幫助到妳，若有疑問，可以追問~~~

祝妳學習進步，更上壹層樓！(*^__^*)