to get into an argument or fight
in einen streit oder kampf geraten (in einen streit oder kampf geraten)
"They locked horns over the new proposal."
"Sie gerieten in einen Streit über den neuen Vorschlag." (sie gerieten in einen streit über den neuen vorschlag)
to be in control or have an advantage
to laugh very loudly or uncontrollably
to control your emotions
to succeed or progress in one's life or career
to begin again without any advantage or preparation
to achieve something one has long desired