ada udang di balik batu

== Indonesian == === Etymology === Literally meaning "there is a prawn behind the rock". From Malay ada udang di sebalik batu, from Minangkabau [Term?]. === Pronunciation === IPA(key): /ada udaŋ di balik batu/ === Phrase === ada udang di balik batu (figurative, idiomatic) there is a concealed ulterior motive, especially in a person's words or in a seemingly generous offer or deal