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.
保健已經成為大生意。
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.
我釣的魚有這么大呢。
The fish I caught was yay big.