たらどうですか

This is an idiomatic expression used to make suggestions, encourage, or motivate. It's often used in the form of 「V-てみたらどうか」, which has a similar meaning to 「てはどうか」 but leans more towards spoken language. In casual conversation, there are various forms such as 「たらどうなの/どうかしら」 (used by females), 「たらどうなんだ」 (used by males), and 「たらどう」 (used by both genders). When speaking politely, there's the form 「たらいかがですか/いかかでしょうか」.