你需要天赋和训练才能从事职业体育运动。

You need talent and training to play ___professional sports.

如果你的脚踝还在疼，也许你应该寻求专业帮助。

If your ankle is still hurting maybe you should get ___professional help.

为了稳妥起见，我想说我不是建筑师，因此我无法提供专业建议。

I want to play safe by saying that I am not an architect, therefore I am not able to give ___professional advice.