夸奖雅思高分的人时，可以使用以下表达：

You're an excellent test-taker.

You've got a great command of English.

Your test results are truly impressive.

You're very skilled in language proficiency.

You're truly exceptional in your language skills.

You're a master of English, no doubt about it.

Your performance on the test is outstanding.

You're a shining star in the field of language learning.

You're highly talented in English language proficiency.

You're a true language wizard.

这些表达不仅赞美了他们的雅思高分，还体现了他们在英语语言能力方面的卓越表现。