combine / join forces

(literary) they

to overcome, to surmount / to climb (over) / to surpass, to overtake

difficult, trying, hard

difficulties, hardship, trouble

strength / power / force

power, force, strength

strength; power; force / (physics) force / ability; capacity / effort / (tarot): Strength

power, strength

physical strength / (Buddhism) capability, especially mystical power / (Buddhism) the suchness of ability, one of the Ten Suchnesses in Mahayana Buddhism / short for 力者 (rikisha): a strong person