大的英文單詞怎麼寫

這是新系統的一大弊端。

This is the one major drawback of the new system.

他們用許多難懂的.大詞。

They use a lot of big words.

保健已經成爲大生意。

Health and fitness have become big business.

這婚禮可是一大盛典。

The wedding was a great occasion.

他們要養活一大家人。

They have a large family to feed.

我釣的魚有這麼大呢。

The fish I caught was yay big.