短语讲解：

1. Republican Party activists and Republican voters mostly approve of Donald Trump’s first actions as president of the United States.

approve of 赞成，赞同
例句：I quite approve of the idea of your plan.
我赞同你计划中的想法。

2. Trump’s supporters say he is doing what they hoped he would when they voted for him.

vote for 投票赞成; 建议
例句：I gave him my pledge that I would vote for him.
我向他保证我将投他的票。

3. And efforts to repeal Obamacare have been slowed by disputes among Republicans on how to replace it and growing support for the health law, according to recent polls.

according to 根据，按照
例句：Philip stayed at the hotel, according to Mr Hemming
据亨明先生所说，菲利普住在旅馆里。

4. They showed up at meetings with congressional members to demand that they oppose the Democratic president.

show up 显而易见; 到场
例句：His show off only serves to show up his ignorance.
他的卖弄只不过暴露了他自己的无知。

5. Trump is expected to discuss his early actions as president when he speaks to Congress.

be expected to 被期待做某事; 有望做某事; 期许
例句：I shall be expected to shell out the money for the party.
我将要支付这个集会的费用。