"What is worth doing in English?" can be translated as "What is worthwhile to do?" or "What is worth doing?" depending on the context. If you want to express that something is worth doing, you can use phrases such as "This is worth doing," "It's worth doing," or "Doing this is worth it." If you want to ask someone if something is worth doing, you can say "Is this worth doing?" or "Does this seem worth doing?"