The idiom "like a bull in a china shop" refers to someone who is clumsy and reckless, often causing damage or chaos. There are several similar phrases that convey a similar meaning, such as "a bull in a china cabinet," "a wrecking ball," "a loose cannon," "a bull in a china store," "a hurricane in a teacup," and "a locomotive in a porcelain factory." These phrases all illustrate the idea of someone or something being destructive or disruptive in a fragile or delicate environment. Using these phrases can add color to your writing or conversation and help convey a specific message or tone.