Focus on the pronunciation of lightweight
English definition of “lightweight”
› weighing only a little or less than average: We shipped thousands of very lightweight cardigans for the spring season. Composites tend to be stronger than steel but more lightweight. lightweight plastics/carbon fibres
› not showing deep understanding, knowledge, or ability: She's the author of some fairly lightweight investing guides. Many in the US regarded him as too lightweight to become the IMF's managing director.