This is the 509th most frequent Thai word.
ทว
The Thai word "ทว" means "but" or "however."
In this sentence, 'ทว่า' acts as a conjunction meaning 'but' or 'however', used to introduce a contrasting clause.
เขาอยากไปเที่ยวที่ต่างประเทศทว่าไม่มีเวลา
He wants to travel abroad, but he has no time.
Here, 'ทว่า' functions as a contrasting conjunction indicating an unexpected result or action following a prior condition.
แม้ว่าฝนจะตกหนัก ทว่าเขาก็ยังออกไปเดินเล่น
Even though it was raining heavily, he still went out for a walk.
In this context, 'ทว่า' serves as a transitional term to contrast two seemingly contradictory character traits.