Third-person singular simple present indicative form of take up the slack

To tighten something that is slack so that it is taut. / To do work that would otherwise be left undone. / To provide extra resources that are not met by normal sources.

Third-person singular simple present indicative form of take one's medicine

To endure an unpleasant obligation, especially a punishment. / Used other than figuratively or idiomatically: see take, medicine.

To attack from behind. / (slang, transitive) To have sex with in doggy style.

To continue working on something that someone else started, especially when one does so efficiently and successfully.

To evaluate something in terms of its expected long-term results rather than its immediate state.

(transitive) To take someone literally even though they may not have been serious; to take someone seriously even though they were joking; to take up a challenge that was initially meant as a joke.

(transitive with against or for) Prepare to fight; to arm oneself.

(UK, politics) To vacate one's seat in the House of Commons (since resignation is not permitted), under the legal fiction of being appointed to an "office of profit under the Crown": the ancient office of Crown Steward for the Chiltern Hundreds, in modern times a mere sinecure.