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Focus 3, UNIT 8 multi-word vocabulary
  1. at an angle <
  2. at the heart of - central to
  3. at the height of one's power - when something is strongest
  4. to draw on - to use
  5. from far and wide - from close by and not close by
  6. it comes as no surprise that - this follows from what has already been said
  7. to lay the foundation for - to make the next step easier
  8. to make one's mark - to have an impact

**Corpus of Contemporary American English**
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Example: to make one's mark (Note: this does not work because of the apostrophe, so you need to insert a space before the apostrophe -- a feature of COCA)