to improve or upgrade your abilities or qualifications
Fähigkeiten oder Qualifikationen verbessern oder aktualisieren (faehigkeiten oder qualifikationen verbessern oder aktualisieren)
"Professionals often need to level up skills to stay competitive."
"Profis müssen oft ihre Fähigkeiten verbessern, um wettbewerbsfähig zu bleiben." (profis muessen oft ihre **faehigkeiten verbessern**, um wettbewerbsfaehig zu bleiben)
to hide or control your emotions instead of expressing them
to face difficulties with courage and determination
to add something extra for free; to include casually
to cooperate or collaborate with someone on the same task or...
to overcome disagreements and move forward positively
to present potential issues clearly