to take on a task that is too big to handle
взяться за задачу, которая слишком трудна для выполнения (vzyatsya za zadachu kotoraya slishkom trudna dlya vypolneniya)
"I think I bit off more than I can chew by agreeing to manage three projects at once."
"Думаю, я взялся за слишком сложную задачу, согласившись управлять тремя проектами одновременно." (dumayu ya vzyalsya za slishkom slozhnuyu zadachu soglasivshis upravlyat tremya proyektami odnovremenno)
to express oneself in a way that is easy to understand
to reduce or eliminate feelings of anxiety or pressure
The relationship between how much of something is available...
to choose to participate
mental health depends on physical health
to monitor someone or something closely