The key topic is how to achieve the high achievement as the title: aiming high shows, Around this topic, the words related the determination or ambition should apply, success also come along with many failures, so there are some collocations how to express, such as complete failure, costly failure.

committed to +ing

anxious (about)

intent on + ing

apprehensive (about)

delighted (about)

overnight success

burning ambition

complete failure

formidable challenge of

leave nothing to chance

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fulfil an ambition

realize ambition

end in failure